The SoniVox Waistband Amplifier is a small, portable speech amplifier designed for use by people with speech disabilities. It can be worn around the waist on a belt. The SoniVox can be used with a wireless high-gain headset microphone or a lapel microphone, both of which are included with the unit. The voice is projected from the 15-watt amplifier. The volume on the amplifier is adjustable. A carrying case is included. POWER: Uses rechargeable double-A batteries (included) A battery charger is also included. COLOR: The carrying case is black.